AN envelope-making machine believed to be the oldest of its kind in the world has been saved from destruction and put on public display in a Darwen park. Employees from Frank Barnes of Darwen were ...

00:01, Wed, Apr 26, 2017 Updated: 12:17, Thu, Apr 27, 2017 1. The phrase “push the envelope”, meaning to go beyond current limits of performance was first seen in 1978 and had its origins in aviation.